Artha is a handy thesaurus based on WordNet with distinct features like global hotkey look-up, passive desktop notifications, regular expression based search, etc.. Artha may be used as a free open-source replacement to the proprietary WordWeb Pro.

See http://www.cubrid.org/cluster. CUBRID Cluster is an open source clustered DBMS for high scalability including global schema, distributed partition and load balancing features. It is a spin-off project from CUBRID project and supported by NHN.

Travian-bot is a bot for the browser game Travian. It can build buildings, send resources and troops (scheduled or in case of incoming attack), trade, hold celebrations, train and upgrade troops. It can be translated to any Travian server.
Travian-bot is back!

BigBrotherBot (B3) is a cross-platform, cross-game game administration bot. Features in-game administration of game servers, multiple user access levels, and database storage. Currently include parsers for: Call of Duty, Urban Terror and more!

ffmpeg-php is a PHP extension that adds functions for accessing and retrieving information from movies and audio files. ffmpeg-php provides access to the many audio and video formats supported by ffmpeg.

Disk Cleaner is a tool to quickly and easily free disk space that is used by temporary files like the system temporary folder, the Internet Explorer Cache and Cookies folder, and the Recycle Bin. It can be expanded with simple text-based plug-ins.

Duply is a shell front end for the duplicity backup tool http://duplicity.nongnu.org/. It simplifies the usage by implementing backup job profiles, batch commands and more.
Secure backup to non-trusted file spaces made easy.